ATE159827T1 - METHOD AND DEVICE FOR THE OPERATION FOR DETERMINING THE DEGREE OF ADAPTATION OF DATA OF A MEMBERSHIP FUNCTION - Google Patents

METHOD AND DEVICE FOR THE OPERATION FOR DETERMINING THE DEGREE OF ADAPTATION OF DATA OF A MEMBERSHIP FUNCTION

Info

Publication number
ATE159827T1
ATE159827T1 AT95103977T AT95103977T ATE159827T1 AT E159827 T1 ATE159827 T1 AT E159827T1 AT 95103977 T AT95103977 T AT 95103977T AT 95103977 T AT95103977 T AT 95103977T AT E159827 T1 ATE159827 T1 AT E159827T1
Authority
AT
Austria
Prior art keywords
membership functions
data
adaptation
determining
degree
Prior art date
Application number
AT95103977T
Other languages
German (de)
Inventor
Hideji Ejima
Shimo-Kaiinji
Masatugu Miura
Shimo-Kaiinji Igadera
Original Assignee
Omron Tateisi Electronics Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Omron Tateisi Electronics Co filed Critical Omron Tateisi Electronics Co
Application granted granted Critical
Publication of ATE159827T1 publication Critical patent/ATE159827T1/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F15/00—Digital computers in general; Data processing equipment in general
    • G06F15/16—Combinations of two or more digital computers each having at least an arithmetic unit, a program unit and a register, e.g. for a simultaneous processing of several programs
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06N—COMPUTING ARRANGEMENTS BASED ON SPECIFIC COMPUTATIONAL MODELS
    • G06N7/00—Computing arrangements based on specific mathematical models
    • G06N7/02—Computing arrangements based on specific mathematical models using fuzzy logic
    • G06N7/04—Physical realisation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/02—Digital function generators
    • G06F1/03—Digital function generators working, at least partly, by table look-up
    • G06F1/035—Reduction of table size
    • G06F1/0356—Reduction of table size by using two or more smaller tables, e.g. addressed by parts of the argument
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S706/00—Data processing: artificial intelligence
    • Y10S706/90—Fuzzy logic

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Algebra (AREA)
  • Data Mining & Analysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Automation & Control Theory (AREA)
  • Biomedical Technology (AREA)
  • Fuzzy Systems (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Computer Hardware Design (AREA)
  • Artificial Intelligence (AREA)
  • Computational Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Evolutionary Computation (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Computing Systems (AREA)
  • Mathematical Physics (AREA)
  • Feedback Control In General (AREA)
  • Image Processing (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Devices For Executing Special Programs (AREA)

Abstract

There is provided an improved system wherein a storage capacity for storing membership functions is reduced. In the system, a plurality of sections T11 through T16 are set having boundaries at vertexes or tops where the respective grades of a plurality of membership functions MF11 through MF17 become the maximum values. In each section, a pair of adjacent membership functions are set to be in an overlapping relationship and symmetrical with respect to a center of the section about their shapes. Coordinates X11 through X17 of the respective vertexes and gradient data g11 through g16 providing shapes of membership functions in the respective sections are set as the data providing the plurality of membership functions. <IMAGE>
AT95103977T 1991-05-10 1992-05-08 METHOD AND DEVICE FOR THE OPERATION FOR DETERMINING THE DEGREE OF ADAPTATION OF DATA OF A MEMBERSHIP FUNCTION ATE159827T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3133305A JPH04335432A (en) 1991-05-10 1991-05-10 Method and device for generating membership function data and method and device calculating adaptation

Publications (1)

Publication Number Publication Date
ATE159827T1 true ATE159827T1 (en) 1997-11-15

Family

ID=15101563

Family Applications (2)

Application Number Title Priority Date Filing Date
AT95103977T ATE159827T1 (en) 1991-05-10 1992-05-08 METHOD AND DEVICE FOR THE OPERATION FOR DETERMINING THE DEGREE OF ADAPTATION OF DATA OF A MEMBERSHIP FUNCTION
AT92107807T ATE151543T1 (en) 1991-05-10 1992-05-08 METHOD AND DEVICE FOR COMPLETING DATA FOR A MEMBERSHIP FUNCTION

Family Applications After (1)

Application Number Title Priority Date Filing Date
AT92107807T ATE151543T1 (en) 1991-05-10 1992-05-08 METHOD AND DEVICE FOR COMPLETING DATA FOR A MEMBERSHIP FUNCTION

Country Status (6)

Country Link
US (1) US5526467A (en)
EP (2) EP0513689B1 (en)
JP (1) JPH04335432A (en)
KR (1) KR970004093B1 (en)
AT (2) ATE159827T1 (en)
DE (2) DE69218822T2 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4241920A1 (en) * 1992-12-11 1994-06-16 Siemens Ag Process for designing a fuzzy controller
DE4334958A1 (en) * 1993-10-14 1995-04-20 Shuangsheng Dipl Ing Ge Fuzzification method
EP0675431A1 (en) * 1994-03-31 1995-10-04 Co.Ri.M.Me. Consorzio Per La Ricerca Sulla Microelettronica Nel Mezzogiorno Method for memorizing membership functions in a fuzzy logic processor
ATE208933T1 (en) * 1994-04-29 2001-11-15 Infineon Technologies Ag METHOD FOR FUZZIFYING INPUT SIGNALS AWARDED TO INPUTS OF A FUZZY PROCESSOR USING INPUT ASSIGNMENT FUNCTIONS
EP0735458B1 (en) * 1995-03-28 2001-05-23 Consorzio per la Ricerca sulla Microelettronica nel Mezzogiorno - CoRiMMe Method for memorizing membership functions and the related circuit for calculating the grade of membership of the antecedents of fuzzy rules
SE0004860L (en) * 2000-12-27 2002-06-28 Ivan Guentchev Kalaykov Method and apparatus for generating degrees of belonging in fuzzy-based end-management systems
US6898585B2 (en) * 2001-02-02 2005-05-24 University Of Illinois Fuzzy logic method for adaptively evaluating the validity of sensor data

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6422617A (en) * 1987-07-17 1989-01-25 Nissan Motor Air conditioner for vehicle
JPH02132502A (en) * 1988-07-28 1990-05-22 Omron Tateisi Electron Co Working method and adjusting device for fuzzy control device
JPH02104929A (en) * 1988-10-14 1990-04-17 Hitachi Ltd Electronically controlled gasoline injecting device
DE3936503A1 (en) * 1988-11-04 1990-05-10 Olympus Optical Co Digital fuzzy logic controller - has parallel processing stages to operate on specific parameters for fast operation
JP2775447B2 (en) * 1988-12-07 1998-07-16 アプト・インスツルメンツ株式会社 Processing unit based on truth value flow
US5185849A (en) * 1989-06-27 1993-02-09 Olympus Optical Co., Ltd. Digital fuzzy inference apparatus having time divisional control function
JPH03102425A (en) * 1989-09-14 1991-04-26 Meidensha Corp Fuzzy inference device
US5084754A (en) * 1989-09-20 1992-01-28 Sony Corporation Method and apparatus for effecting fuzzy control of an imaging device
JP2522415B2 (en) * 1989-10-24 1996-08-07 三菱電機株式会社 Programmable controller with fuzzy control function, its monitor system, and control method of programmable controller with fuzzy control function
US5267348A (en) * 1990-03-09 1993-11-30 Hitachi, Ltd. Method and system for evaluating and modifying fuzzy knowledge
JP3211241B2 (en) * 1990-07-27 2001-09-25 オムロン株式会社 Approximate inference device

Also Published As

Publication number Publication date
DE69222955T2 (en) 1998-06-10
EP0513689A2 (en) 1992-11-19
US5526467A (en) 1996-06-11
EP0513689A3 (en) 1993-06-09
ATE151543T1 (en) 1997-04-15
EP0660228A1 (en) 1995-06-28
JPH04335432A (en) 1992-11-24
DE69218822T2 (en) 1997-12-04
EP0660228B1 (en) 1997-10-29
KR920022139A (en) 1992-12-19
DE69222955D1 (en) 1997-12-04
DE69218822D1 (en) 1997-05-15
KR970004093B1 (en) 1997-03-25
EP0513689B1 (en) 1997-04-09

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